Linia del temps (civilitzacions perdudes) By izannnN 3500 BCE mesopotamia 3500 BCE invencio escriptura 3200 BCE Antic,Egipte Period: 3000 BCE to 3000 sumeria Period: 1000 BCE to 1000 BCE imperi persa Period: 1900 to 1900 imperi assari Period: 2000 to 2000 imperi babilonic Period: 2300 to 2300 imperi accadi Period: 2500 to 2500 imperi antic